10338785391 has 8 divisors (see below), whose sum is σ = 15038233344. Its totient is φ = 6265930520.

The previous prime is 10338785383. The next prime is 10338785411. The reversal of 10338785391 is 19358783301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10338785391 - 2³ = 10338785383 is a prime.

It is a super-2 number, since 2×10338785391² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10338785391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10338785321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156648231 + ... + 156648296.

It is an arithmetic number, because the mean of its divisors is an integer number (1879779168).

Almost surely, 2^10338785391 is an apocalyptic number.

10338785391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10338785391 is a deficient number, since it is larger than the sum of its proper divisors (4699447953).

10338785391 is a wasteful number, since it uses less digits than its factorization.

10338785391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313296541.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 10338785391 in words is "ten billion, three hundred thirty-eight million, seven hundred eighty-five thousand, three hundred ninety-one".